Boiler woes

[jonny h]

Can anyone please help, I have a 10 year old Worcester Bosh 230 combi boiler. My problem is on the heating side. The pressure in the system when cold is 1 bar, but when the room stat calls for heat the pressure in the system rises to over 2 bar and the boiler cuts out until the pressure drops then comes back on , this process carries on all the time. The rads do get hot but you can tell by the room stat that its not satisfied.
Thanks
JH

 

[hayabusa]

Hi,

Sounds like your system is airlocked.
Do you carry out any work with it recently.

Thomas